/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Bomb = Container.expand(function () {
	var self = Container.call(this);
	var bombGraphics = self.attachAsset('bomb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 7;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Crocodile = Container.expand(function () {
	var self = Container.call(this);
	var crocodileGraphics = self.attachAsset('crocodile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 12;
	return self;
});
var Watermelon = Container.expand(function () {
	var self = Container.call(this);
	var watermelonGraphics = self.attachAsset('watermelon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 6;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
var crocodile;
var watermelons = [];
var bombs = [];
var dragNode = null;
var spawnTimer = 0;
var difficultyLevel = 1;
var baseSpawnRate = 90;
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
crocodile = game.addChild(new Crocodile());
crocodile.x = 2048 / 2;
crocodile.y = 2732 - 150;
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = Math.max(100, Math.min(2048 - 100, x));
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = crocodile;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
function spawnWatermelon() {
	var watermelon = new Watermelon();
	watermelon.x = Math.random() * (2048 - 240) + 120;
	watermelon.y = -60;
	watermelon.lastY = watermelon.y;
	watermelon.lastIntersecting = false;
	watermelons.push(watermelon);
	game.addChild(watermelon);
}
function spawnBomb() {
	var bomb = new Bomb();
	bomb.x = Math.random() * (2048 - 200) + 100;
	bomb.y = -50;
	bomb.lastY = bomb.y;
	bomb.lastIntersecting = false;
	bombs.push(bomb);
	game.addChild(bomb);
}
game.update = function () {
	spawnTimer++;
	difficultyLevel = Math.floor(LK.getScore() / 5) + 1;
	var currentSpawnRate = Math.max(30, baseSpawnRate - difficultyLevel * 3);
	if (spawnTimer >= currentSpawnRate) {
		spawnTimer = 0;
		if (Math.random() < 0.7) {
			spawnWatermelon();
		} else {
			spawnBomb();
		}
	}
	for (var i = watermelons.length - 1; i >= 0; i--) {
		var watermelon = watermelons[i];
		if (watermelon.lastY === undefined) watermelon.lastY = watermelon.y;
		if (watermelon.lastIntersecting === undefined) watermelon.lastIntersecting = false;
		if (watermelon.lastY < 2732 + 50 && watermelon.y >= 2732 + 50) {
			watermelon.destroy();
			watermelons.splice(i, 1);
			continue;
		}
		var currentIntersecting = watermelon.intersects(crocodile);
		if (!watermelon.lastIntersecting && currentIntersecting) {
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore());
			LK.effects.flashObject(crocodile, 0x00FF00, 300);
			LK.getSound('eat').play();
			watermelon.destroy();
			watermelons.splice(i, 1);
			continue;
		}
		watermelon.lastY = watermelon.y;
		watermelon.lastIntersecting = currentIntersecting;
	}
	for (var j = bombs.length - 1; j >= 0; j--) {
		var bomb = bombs[j];
		if (bomb.lastY === undefined) bomb.lastY = bomb.y;
		if (bomb.lastIntersecting === undefined) bomb.lastIntersecting = false;
		if (bomb.lastY < 2732 + 50 && bomb.y >= 2732 + 50) {
			bomb.destroy();
			bombs.splice(j, 1);
			continue;
		}
		var currentIntersecting = bomb.intersects(crocodile);
		if (!bomb.lastIntersecting && currentIntersecting) {
			LK.effects.flashScreen(0xFF0000, 1000);
			LK.getSound('explode').play();
			LK.showGameOver();
			return;
		}
		bomb.lastY = bomb.y;
		bomb.lastIntersecting = currentIntersecting;
	}
	for (var w = 0; w < watermelons.length; w++) {
		watermelons[w].speed = 6 + difficultyLevel * 0.8;
	}
	for (var b = 0; b < bombs.length; b++) {
		bombs[b].speed = 7 + difficultyLevel * 0.8;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -80,19 +80,19 @@
 	dragNode = null;
 };
 function spawnWatermelon() {
 	var watermelon = new Watermelon();
-	watermelon.x = Math.random() * (2048 - 160) + 80;
-	watermelon.y = -40;
+	watermelon.x = Math.random() * (2048 - 240) + 120;
+	watermelon.y = -60;
 	watermelon.lastY = watermelon.y;
 	watermelon.lastIntersecting = false;
 	watermelons.push(watermelon);
 	game.addChild(watermelon);
 }
 function spawnBomb() {
 	var bomb = new Bomb();
-	bomb.x = Math.random() * (2048 - 140) + 70;
-	bomb.y = -35;
+	bomb.x = Math.random() * (2048 - 200) + 100;
+	bomb.y = -50;
 	bomb.lastY = bomb.y;
 	bomb.lastIntersecting = false;
 	bombs.push(bomb);
 	game.addChild(bomb);